Tricky Risks At High Altitude: Why PSLV’s Third Stage Is Under Scrutiny

ISRO’s Polar Satellite Launch Vehicle (PSLV) has long been regarded as one of the most reliable medium‑lift launchers in the world, but the recent back‑to‑back anomalies in its third stage have drawn attention to a structurally known weak point in multistage launch vehicles.The failures on missions PSLV‑61 in May last year and PSLV‑62 last week have both been traced to malfunctions during the
ISRO’s Polar Satellite Launch Vehicle (PSLV) has long been regarded as one of the most reliable medium‑lift launchers in the world, but the recent back‑to‑back anomalies in its third stage have drawn attention to a structurally known weak point in multistage launch vehicles.The failures on missions PSLV‑61 in May last year and PSLV‑62 last week have both been traced to malfunctions during the
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